CVE-2021-47886 Pingzapper 2.3.1 - 'PingzapperSvc' Unquoted Service Path
Local attackers can execute arbitrary code and escalate privileges by exploiting an unquoted service path in Pingzapper.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47886?
CVE-2021-47886 is a high-severity vulnerability in Fyrolabs LLC. Pingzapper, published on 21 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Pingzapper 2.3.1 contains an unquoted service path vulnerability in the PingzapperSvc service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Pingzapper\PZService.exe' to inject malicious executables and escalate privileges.
Weakness: CWE-428
Which versions are affected by CVE-2021-47886?
How do I fix CVE-2021-47886?
No fix has been published for CVE-2021-47886 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47886 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47886 exists.
Sources
Also known as GHSA-pw8g-j3v8-9jrm.